This is a great bike. There are bikes that cost 3 times as much that are only 20% better. My buying experience, company easy to contact via email, ordering no problem. Deliver via DX given tracking info which confirmed bike loaded onto local lorry - Leeds 8.00 am on agreed delivery day. Not able to track further on line. Driver arrived 5.00pm. Fortunately we we in all day. Spoke to Avaris who said driver should have called. Packaging - great no damage Assembly - watched the online video which is helpful. Mounting the handle bars, you will notice the video fudges this a bit, showing tightening not the mounting. Anyway I found it easier to remove the handle bar control display first. Charging - no problem, put battery on bike and read instructions. Please check if you have same printed info, ref to the batter pack lock having 3 positions including on. It only has 2 lock and unlock. It then refers to a "red button" on the pack to switch on. There is no red button but there is an i switch on the handle bar between + and - control. Hold for 5 sec, and all good to go. Not done any long runs but if you play silly Bu**ers and keep it on max for hills your battery will drain quickly. Keep on 1 -3 and you will have a day of support. Upgrades? Fitted SPD and Schwalbe marathon reflex tyres 700 x35, £34 at Halfords. We have an electric tandem and trust me a rear puncture is a pig to fix. So there is is a well priced electric racer, enjoy.